Home / 557,941.93-769,956.19-303,293.12

Finding the Fourth Proportional to 557,941.93, 769,956.19 and 303,293.12

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Solution

The fourth proportional to 557,941.93, 769,956.19 and 303,293.12 is: 418,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,941.93 : 769,956.19 = 303,293.12 : x
  2. Step 2: Convert to fraction form
    557,941.93/769,956.19 = 303,293.12/x
  3. Step 3: Cross multiply
    557,941.93x = 769,956.19 × 303,293.12
  4. Step 4: Simplify right side
    557,941.93x = 233,522,415,128.41
  5. Step 5: Solve for x
    x = 233,522,415,128.41/557,941.93
  6. Step 6: Final answer
    x = 418,542.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.